<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<item>
  <id>70661209</id>
  <dt>a</dt>
  <an>70661209</an>
  <augroup>
    <au>Trinh, Thanh-Hai</au>
    <au>Querrec, Ronan</au>
    <au>De Loor, Pierre</au>
    <au>Chevaillier, Pierre</au>
  </augroup>
  <ti>Ensuring semantic spatial constraints in virtual environments using UML/OCL</ti>
  <so>VRST, 219-226 (2010).</so>
  <py>2010</py>
  <pu></pu>
  <lagroup>
    <la>EN</la>
  </lagroup>
  <ccgroup>
  </ccgroup>
  <utgroup>
  </utgroup>
  <cigroup>
  </cigroup>
  <ligroup>
    <li>doi:10.1145/1889863.1889912</li>
  </ligroup>
</item>